package com.abl.javabasis._21_基本数据类型;

import java.util.HashMap;

public class _Test {
    public static void main(String[] args) {
        int aaaaa = 10;
        short bbbbb = 20;
        System.out.println();
        HashMap<Object, Object> objectObjectHashMap = new HashMap<>();
        for (int i = 0; i < 20; i++) {
            objectObjectHashMap.put("a1" + i, "A");
        }

        Object o = objectObjectHashMap.get("a1" + 1);
        System.out.println(o);

        Object a11 = objectObjectHashMap.remove("a11");
        System.out.println(a11);

    }
}
